Arithmetic progression Calculator

Calculates the n-th term and sum of the arithmetic progression with the common difference.

initial term a
common difference d
number of terms n
    1. n=1,2,3...

the n-th term an
    1.  
sum Sn
    1.  
    Arithmetic progression
    [1-10] /17Disp-Num
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    [1]  2022/09/07 22:29   40 years old level / A homemaker / Useful /
    Purpose of use
    For additional knowledge
    Comment/Request
    I request to get much better easy way solution
    [2]  2022/09/07 02:36   Under 20 years old / Elementary school/ Junior high-school student / Very /
    Purpose of use
    To pass exam
    Comment/Request
    Solve
    [3]  2022/05/02 17:42   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    Cross-checking sums
    [4]  2021/07/28 12:07   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    for solving math questions
    [5]  2021/07/07 00:30   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    assignment
    Comment/Request
    the first three terms of an arithmetic progression are h,8 and k. find value of h+k.
    [6]  2021/02/03 15:02   20 years old level / Others / Very /
    Purpose of use
    For research
    Comment/Request
    Find the first fourth terms and eighth term of the sequence and a rule for the nth term that is, determine a n as an explicit function of n
    [7]  2021/01/21 10:32   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    Knowledge
    Comment/Request
    Given that Term 1=23,Term n=43,Term 2n=91.For an a.p,find the first term,common difference and n
    [8]  2020/08/17 12:17   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    Assignment
    Comment/Request
    Given that 4,p, q13 are consecutive terms of ap.
    Find the values of p and q?
    [9]  2020/08/12 13:57   40 years old level / An engineer / Very /
    Purpose of use
    Playing a game where the cost of each special item goes up by d=50 coins. So having say 3 million coins and where A = 20400, how many special items can I buy using 3 million coins :)
    [10]  2020/04/19 11:36   20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    To inquire knowledge
    Comment/Request
    The nth term of a sequence is 2^2n(-½)^n. Find the third term.

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